package day0721;

import java.util.Scanner;

public class Test6 {
    public static void main(String[] args) {
        //1.体重和身高数据
        Scanner sc = new Scanner(System.in);//1.
        double weight=sc.nextDouble();    //KG
        double height=sc.nextDouble();    //M

        //2.计算BMI
        //double bmi=体重÷身高的平方
        double bmi= weight/ (height*height);


        //3.
        if(bmi<18.5){
            System.out.println("偏瘦");
        }else if(18.5<=bmi  &&  bmi <=24){
            System.out.println("体重正常");
        }else if(bmi>24){
            System.out.println("偏胖");
        }
    }
}
